APPSC Forest Beat Officer (FBO) Answer Key 2019 (Now Available) – Get here

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APPSC Forest Beat Officer (FBO) Answer Key 2019

Andhra Pradesh Public Service Commission (APPSC) Answer Key is released here after the exam. APPSC conducted Forest Beat Officer (FBO) examination on 16th June 2019. The answer key of APSC 2019 exam comprises of correct answers to all the questions asked in the exam. Candidates can read all details of APSC answer key 2019 here.

Forest Beat Officer (FBO) Answer Key 2019

Q: 01. How much more or less does Sohan spend on children’s education than Rakesh?

Rs. 360 Less

 Q: 02. Who spends more on Food and how much more?

Sohan, Rs. 240 more

 Q: 03. What is the ratio of the expenditure on children’s education by Rakesh and Sohan?

5: 4

Q: 4. What is the measure of the angle used to represent the expenditure on ‘House’ by Rakesh in (approximately)?680

Q.5. Arrange the following in order of decreasing magnetic moments: Fe2+ Mn2+ Cu2+ V3+

Mn2+> Fe2+ > V3+> Cu2+

 6. Which of the following is/are correct about sigma bond?

Formed by axial overlapping


Independent existence

Free rotation possible

1, 3 and 4

 7. The temperature at which a conductor becomes a super conductor is called:

Transition Temperature

 8. The principal amount which yields a Compound Interest of Rs. 208 in second year at 4% is:

Rs. 5000

 9. A person sold a box of pen at a gain of 15%. Had he bought it for 25% less and sold it for Rs. 60 less he would have made profit of 32%. The cost price of the box of pen was:

Rs. 375

 Q.10. There are 40 students in a hostel. If the number of students increases by 5 and the expenses of the mess increased by Rs. 45 per day while the average expenditure per head decreases by Rs. 1 then find the total original expenditure of the mess:

Rs. 720

 11. A and B can complete a work in 5 days. They start working but after 3 days B left the work. if the work is completed after 3 more days B alone can do the work in:

15 days

 Production of tea requires

moderately hot and humid climate with frequent rains

 A man is facing north-west. He turns 90o in the clockwise direction, then 180o in the anticlockwise direction and then another 90o in the same direction. Which direction is he facing now?

South East

 Two bus tickets from city A to B and three tickets from city A to C cost Rs. 77 but three tickets from city A to B and two tickets from city A to C cost Rs. 73. What are the fares for cities B and C from A ?

Rs. 13, Rs. 17

 A tailor had a number of shirt pieces to cut from a roll of fabric. He cut each roll of equal length into 10 He cut at the rate of 45 cuts a minute. How many rolls would be cut in 24 minutes?

120 rolls

 Acid rains occur when atmosphere is heavily polluted with:

SO2 and NO2

 Eutrophication of lakes is caused by


 Which one of the following is not associated with earthquake?


 Fresh water achieves its greatest density at :

4 degree C

 A 4 cm cube is cut into 1cm cubes. What is the percentage increase in the surface area after such cutting?


The surface area of three coterminous faces a cuboid area 6,15,10 respectively. What is the volume of the cuboid?


 The sum of the ages of a son and his father is 56 years. After four years the age of father will be three times that of his son. Their present age respectively are:

12 year and 44 years

 Taj Mahal is threatened due to the effect of

Sulphur dioxide

 Deathwhile sleeping in closed room with burning coal furnace is caused by


 Directions: Consider the following table and answer question 25.

Number of workersWorking hours

What percentage worked 40 or more hours?


 Q: 26 Match List – I with List – II and select the correct answer from the codes given below the lists:

List – IList – II
Four spheresGreek words
a.      Stone

b.      Air

c.       Water

d.      Life

1.  Atmo

2.  Hydro

3.  Bio

4.  Litho

a          bcd

4  1  2  3

 Q: 27. Which of the following has pH value 7?

Pure water

 28. Which state government given its in- principle approval to bring ‘man- animal conflict’ under listed disasters in the State Disaster Response Fund?

Uttar Pradesh

 Q: 29. State bird of Andhra Pradesh is:

Rose-ringed parakeet

 Q: 30. Which one of the following is the correct ascending sequence of States with regard to sq. km of forest area (2017)?

Madhya Pradesh – Arunachal Pradesh – Chhattisgarh – Odisha

 Q: 31. According to Indian Forest Status Report released in February, 2018, how much area of India is covered by forests and trees?


 Q: 32. Which set of data has a mean of 15, a range of 22, a median of 14, and a mode of 14?


 Q: 33. How many inches are there in 5 centimeters?


 Q: 34. A graph of a cumulative frequency distribution is called



Q: 35. In the case of classification of data, the class having its upper limit is treated as the lower limit of its next class is called:

Open ended class


Q: 36. Match List- I with List- II and select the correct answer codes given below the lists-

List- I                                                                           List- II

Rupee Denomination Motif of Bank Note

  1.  200                                                                           1. Hampi with Chariot
  2.  50                                                                            2. Mangalyaan
  3. 500 3. Sanchi Stupa
  4.  2000                                                                        4. Red Fort


a          b          c          d

3  1  4  2


Q: 37. Which gas is known as marsh gas?



Q: 38. Who introduced ‘www’ to the world?

Sir Tim Berners-Lee


  1. 39. Match List- I with List- II and select the correct answer codes given below the lists-

List- I                                                                           List- II

Gases in atmosphere                                                              Percentage

  1. Nitrogen 21
  2. Oxygen 78
  3. Argon 0.04
  4. Carbon dioxide 0.93



a  b  c  d 2  1  4  3


Q: 40.   is the fourth state of matter.


Q: 41. Along with whom, Bhagat Singh threw a bomb in Central Assembly-

Batukeshwar Dutt


Q: 42. The first railway in India was laid down during the period of-

Lord Dalhousie

Q: 43. Which river of India passes the Tropic of Cancer twice?


Q: 44. ‘Jarawa’ and ‘Onge’ are tribes found in-

Andaman and Nicobar



Q: 45. In which state Milam Glacier is located?


Q: 46.What is the minimum age to contest in the Panchayat elections?

21 years



Q: 47. Which statement is not true about India’s National Flag?


  1. The ratio of the length and width of the flag is 2: 1
  2. It is designed using three colours – saffron (top most), white (middle) and India green (lower most). The middle band contains navy blue Ashoka Chakra (Wheel of Law) in the centre with 24 spokes to the
  3. The present form of the national flag was adopted in the meeting of Constituent Assembly on 22nd of July in
  4. It is also called as ‘Tiranga’, meaning three colours and is based on Swaraj flag, designed by


Q: 48. How many Sustainable Development Goals were set by the United Nations General Assembly in 2015?

17 Goals


Q: 49. Which is the India’s First Solar- Powered Railway station?

Guwahati railway station


Q: 50. Dakshin Gangotri is   ?

Indian Scientific Base Station in Antartica


Q: 51. India has been divided into how many Seismic Risk Zones?



Q: 52. Landslides often occur in-

Hilly region


  • Which type of soil water is most useful for plant?


Capillary water


  • Strip of trees and shrubs planted for protection of fields from Winds in coastal areas are called


Shelter Belts


  • A camel can tolerate a loss of water at about of its body weight when exposed to severe desert

30 percent

  • Ringworm is a that attacks the skin, hair and nails of both animals and humans.



Q: 57. Raju ranks 7th from the top and 28th from the bottom. How many students are there in the class?


Q: 58. Ravi moves 3 Km towards south, then turns to his left and moves 5 Km. Again he turns to his right and goes only 3 Km. Which choice given below indicates the direction in which Ravi is from his starting point?



Q: 59. The numbers 4, 6, and 8 have the frequencies (x + 2), x and (x – 1), and if their arithmetic mean is 8, the value of x is:


Q: 60. The median of data 30, 25, 27, 25.8, 29, 35, 38, 28 is :




  • If 40% of X is equal to Y, then Y% of 40 is equal to X% of






  • If x = 2+√

3, then (x2


+𝑥2)is equal to:





  • If 2x+3y = 8 and 4x-y = 2, then


X=1, Y = 2


  • Let A and B are two sets containing 14 and 22 elements respectively. If A and B have 7 Common Elements, then the number of elements in AUB is





  • If𝜃 = 2𝜋, then value of cos𝜃 + Sin𝜃 𝑖𝑠 ∶

√𝟑 − 𝟏


  • The angle of elevation of a tower from a distance 50 metre from its foot is 300. The height of the

tower is:

𝟓𝟎 √𝟑 𝒎𝒆𝒕𝒓𝒆


  • The height of a tower is 100√ The angle of elevation of a tower from a distance 100 metre from its feet is:



Q.68.                                                                                                                    1                                        1

For a triangle ABC, D and E are two points on AB and AC such that AD=3 AB and AE=3 AC.

If BC = 15 c.m., then DE is:

5 c.m.


  • If sides of a triangle are in the ratio 3:4:5, then this triangle is:


Right angled triangle


  • In any triangle, sum of two sides is always


greater than third side


  • If the area of a rhombus is 168 m2 and the length of one diagonal is 48 m, the length of other diagonal is:

7 m


  • A sphere of 5 cm radius is melted and small spheres of radii 1 cm are made from it. The number of spheres that can be made from it



  • If two sides of an isosceles triangle are 7 cm and 13 cm, then which of followings may be perimeter of the triangle



  • The ratio of the area of a square and area of a square made on diagonal of the square will be:




  • A student has got the following grades on the test: 87, 95, 76 and 38.

He wants an average 85 for this exam. The minimum grade he must get on the last test in order to achieve that average is:



  • Coppice shoot is defined as:


A shoot arising from an adventitious bud at the base of a woody plant      that has been cut near the ground


  • Which of the following has excellent pollarding ability:

Hardwickia binata


  • Hydrometeorology is the science which deals with

water in the atmosphere




  • Ardeotis nigriceps is the zoological name of :

Great Indian Bustard


  • Lysimeter is an instrument used to measure



  • “Branch Bending in Guava” plants favours :

Better fruiting


  • Rhinos in India have been translocated from Kaziranga to :

Manas National Park


  • In selection system of Silviculture:


The mature crop is removed as single trees or in small groups over the       whole of felling series.


  • A soil must have following for supporting plant growth:

Mineral matter, organic matter, soil water and soil air


  • International day for Biological Diversity is observed on :

May 22


  • DNA fingerprinting is used for which of the following:

All of the given options


  • A seed may not germinate, even if all favourable conditions are provided to germinate, it may be due to:



  • Development of fisheries is known as

Blue revolution


  • Salim Ali Centre for Ornithology and Natural History (SACON) is in :



  • Which one is the most prominent silvicultural tool for manipulation of tree growth in agroforestry system:

Thinning and Prunning


  • Canopy Density of forests is defined as:

The relative completeness of canopy usually expressed as a decimal coefficient, taking closed canopy as unity.


  • Regeneration felling is:

A felling of trees to invite or assist regeneration under a shelterwood system.


  • A Biome is:

A large naturally occurring community of flora & fauna, occupying a major region.


  • Continental drift


The hypothesis, proposed by Alfred Wegener, that today’s continents broke off from a single supercontinent


  • A planting graft technique in which scion is inserted in a narrow slit, made in the root stock of the same species is

Notch grafting


  • Volume table is

A table showing the estimated average tree or stand volume based on given tree measurements, usually diameter and height


  • In Ecological succession, Sere means:

The sequence of communities that replace one another in a given area.


  • The progressive dying, usually backwards from the tip, of any portion of a plant; The death of the shoot, the root remaining alive is termed as


Die back.


  • Slender Loris is found in :

Southern India


  • The point, where CAI (Current Annual Increment) and MAI (Mean Annual Increment) meet is the

Rotation of maximum volume production


  • Littoral Forest means

A forest growing at or near the sea-shore.


  • An organism which has its body heat regulated by the temperature of its surroundings is termed as:



  • Artificial seed is

Encapsulated somatic embryos.


  • A knee-shaped or spike-like projection of the roots of swamp trees enabling the sub- merged roots to obtain



  • Mycorrhiza is a symbiotic association between


Fungi and roots of higher plants


  • The time that elapses between successive main fellings on the same area is known in silvicultural terms:

Felling cycle


  • Rotation is

The planned number of years between the formation or regeneration of crop            and its final felling.


  • The salinity in water

reduces the evaporation


  • Magma Chamber is

The subterranean cavity containing the gas-rich liquid magma which feeds a  volcano.


  • Most suitable tree species used in afforestation of coastal areas:


Casuarina equisetifolia


  • Icebox is a fruit type of



  • A method of improving soil texture by the use of lime or other soil conditioners, thereby increasing the air content, especially in heavy clay



  • Amphistomatic leaves means

Leaves having stomata on both surfaces.


  • Vegetables are canned in :



  • What are the state animal, state tree and state flower of Andhra Pradesh

Black buck, Neem and Jasmine


  • What is the ideal direction for a greenhouse to orient, in India? North-South


  • The most important breeding areas for Olive Ridley turtle along the Bay of Bengal in Indian Ocean is the coast of



  • A forest which has been reproduced through sprouting from stumps of felled trees is called

Coppice forest


  • All lands with tree cover of canopy density between 10% and 40% is called _ __


Open forest


  • indicates the productive capacity of a specific area of forest land for a particular tree

Site quality


  • A process which removes injured, disease or insect-infested trees is called ..


Sanitation cutting


  • ICFRE was established during the year and is headquartered at


1986, Dehradun


  • A snag is a .


A standing dead tree


  • Soil formed from parent material in situ


Sedentary soil


  • The rotation which yields the highest net return on the invested capital is called


Financial rotation


  1. 126.One of the following instruments used for tree height measurement is based on the principle of similar triangles – Identify the same


Christen’s hypsometer



  • India became a party to CITES in the year , which is a body for regulating—-


1976          International Trade in Endangered Species of Wild Fauna & Flora.




  • An Engineer’s chain measures


100 ft long



  • The table showing the distribution of stems by diameter classes for each of the series of crop diameters is called


Stand table




  • The Asiatic lion is included in the following schedule of the Wildlife Protection Act of 1972



  • The most important physical property of wood is its


Specific gravity


  • The ratio of diameter to girth of trees will be less than




  • The second Biosphere Reserve following the Nilgiri Biosphere Reserve was established at


Nanda Devi


  • A pair of appendages that present at the point of attachment of a leaf to the stem is




  • Photosynthesis is :


Anabolic process


  • Which of the following is the International agreement which aims to ensure the safe handling, transport and use of living modified organisms (LMOs) resulting from modern biotechnology?


Cartagena Protocol


  • The floating national park is situated in the state of




  • Seeds which cannot be dried to moisture contents below 30% without injury and are unable to tolerate freezing are called


Recalcitrant seeds



  • Which one of the following is the second largest brackish-water lagoon in India?

Pulicat lake


  • Which one of the following four tiger reserves is the largest in India?

Kanha tiger reserve


  • Which one of the following is a Ramsar site?


Kolleru lake


  • What is the selective removal of certain parts of a plant, such as branches, buds, or roots is called?



  • GIS deals with which kind of data


Spatial data


  • Which one of the following is the algebraic difference between discounted benefits and discounted costs as they occur over time?

Net present value


  • Foot and mouth disease in animals is caused by



  1. 146. Sampling method in which the sampling units are selected according to a pre- determined patters is


Systematic sampling


  1. 147. Type of survey in which the curvature of the earth is not taken into account is called

Plane survey


  • The vertical distance between any two consecutive contours is known as

Contour interval


  • This Act was to consolidate and amend the law relating to the protection and management of forests in State of Andhra

Andhra Pradesh Forest Act, 1967


  • Maintenance of environmental stability, maintenance of ecological balance including atmosphere equilibrium are the principal objectives of.

National Forest Policy, 1988

APPSC FBO cut off 2019







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